CN1913823A - Camera integral with optical fiber - Google Patents
Camera integral with optical fiber Download PDFInfo
- Publication number
- CN1913823A CN1913823A CNA2005800039763A CN200580003976A CN1913823A CN 1913823 A CN1913823 A CN 1913823A CN A2005800039763 A CNA2005800039763 A CN A2005800039763A CN 200580003976 A CN200580003976 A CN 200580003976A CN 1913823 A CN1913823 A CN 1913823A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- housing
- bundle
- fiber bundle
- integrated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/07—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements using light-conductive means, e.g. optical fibres
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00163—Optical arrangements
- A61B1/00174—Optical arrangements characterised by the viewing angles
- A61B1/00177—Optical arrangements characterised by the viewing angles for 90 degrees side-viewing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0615—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements for radial illumination
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2461—Illumination
- G02B23/2469—Illumination using optical fibres
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
- G02B23/2484—Arrangements in relation to a camera or imaging device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/555—Constructional details for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
Abstract
A camera (1) has a tubular housing (3) having an emission window (7). A unitized optical fiber bundle (9), a unitized bundle of light guiding optical fibers, is provided on the inner surface of the housing (3). The unitized optical fiber bundle (9) is provided and bonded to the inner surface of the housing (3) with the fibers bonded together by a bonding agent. An end section of the fiber bundle (9) reaches the emission window (7) of the housing (3) to be exposed to the outside. The camera (1) has sufficient water proofing capability and is easy to produce, and capable of preventing a decrease in the amount of light.
Description
Technical field
The present invention relates to photographing unit with optical fiber built-in.
Background technology
In the prior art, the photographing unit of optical fiber built-in is used for the medical of dentistry etc. for example.This kind photographing unit requires miniaturization and the requirement therapentic part that can throw light on.In order to satisfy these demands, on photographing unit, be provided with the illuminator that uses optical fiber.Such photographing unit for example is disclosed in the spy and opens flat 8-332170 communique (3-4 page or leaf, Fig. 1).
Figure 11 represents the fore-end of the camera integral with optical fiber of prior art.Photographing unit 101 has barrel-type casing 103, accommodates imaging apparatus and the image processing circuit of CCD etc. in the housing 103.The side of the front end of housing 103 is provided with shooting window 105.Be embedded with prism in the shooting window 105.The light that is entered by shooting window 105 bends through prism, is directed to a direction.As illuminator, be provided with ejaculation window 107 in the both sides of shooting window 105.
Figure 12 is the cutaway view of the photographing unit of Figure 11.As shown in the figure, be assembled with optical fiber components 109 in the housing 103.Optical fiber components 109 is aggregations of thin optic fibre.Many thin optic fibres are by front end accessory 111 harnesses, and, fix by binding agent, form the assembly of shape shown thus.And, be assembled in the housing 103 with manual work as this optical fiber components 109 of independent assembly.
In assembling operation, optical fiber components 109 inserts from the rear the housing 103 so that front end accessory 111 progresses into the depths of housing 103, and front end accessory 111 is arranged at and penetrates near the window 107.In use, illumination light is penetrated from penetrating window 107 by optical fiber components 109 guiding.
In addition, in penetrating window 107, embed and the bonding sapphire glass, can guarantee water proofing property thus.
As mentioned above, be assembled with optical fiber components in the camera integral with optical fiber of prior art as separate part by front end accessory harness.Therefore, use this accessory to form assembly or operation that assembly is assembled and the operational difficulty that optical fiber components is assembled into housing.In addition, in the camera integral with optical fiber of prior art, the sapphire glass that will be used for waterproof is embedded in and penetrates window 7, so the light that penetrates from optical fiber is reflected by sapphire glass.Therefore can lose the light quantity of reflecting part.
Summary of the invention
The present invention develops under above-mentioned background, and its purpose is to provide can be guaranteed water proofing property, makes and do not lose the camera integral with optical fiber of light quantity easily.
Camera integral with optical fiber of the present invention comprises: barrel-type casing has the ejaculation window; With the integrated fiber bundle, make the inner face of fibre bundle that leaded light uses and housing integrated, the integrated fiber bundle is arranged at the inner face of housing, bonds mutually by binding agent, and is bonded on the inner face, and the end of integrated fiber bundle arrives to be penetrated window and also exposes.
Following explanation, can there be the other technologies scheme in the present invention.Therefore of the present inventionly openly aim to provide a part of technical scheme of the present invention, be not limited in this scope of invention described and application.
Description of drawings
Fig. 1 is the cutaway view of the camera integral with optical fiber of embodiment of the present invention.
Fig. 2 is the perspective view of the camera integral with optical fiber of embodiment of the present invention.
Fig. 3 is the housing of camera integral with optical fiber of embodiment of the present invention and the sketch map of optical fiber.
Fig. 4 is the sketch map of the optical fiber inserting step in the manufacture method of camera integral with optical fiber of embodiment of the present invention.
Fig. 5 is the sketch map of the fibre bundle forming step in the manufacture method of camera integral with optical fiber of embodiment of the present invention.
Fig. 6 is the sketch map of the fibre bundle forming step in the manufacture method of camera integral with optical fiber of embodiment of the present invention.
Fig. 7 is the sketch map of the fibre bundle forming step in the manufacture method of camera integral with optical fiber of embodiment of the present invention.
Fig. 8 is the sketch map that penetrates the window grinding steps in the manufacture method of camera integral with optical fiber of embodiment of the present invention.
Fig. 9 is the sketch map of silica gel tube installation steps in the manufacture method of camera integral with optical fiber of embodiment of the present invention.
Figure 10 is the sketch map that the insertion tube in the manufacture method of camera integral with optical fiber of embodiment of the present invention cuts off step.
Figure 11 is the perspective view of structure example of the camera integral with optical fiber of expression prior art.
Figure 12 is the cutaway view of structure example of the camera integral with optical fiber of expression prior art.
Label declaration
1 photographing unit
3 housings
5 shooting windows
7 penetrate window
9 integrated fiber bundles
11 inner faces
13 ends
15 exposed divisions
17 surface of shell
19 rear parts
21 fibre bundles
23 silica gel tubes
25 insertion tubes
27 rear ends 2
29 rear openings
31 internal molds
33 external molds
The specific embodiment
Below describe the present invention in detail.But following detailed description and accompanying drawing do not limit invention.And scope of invention is limited by summary of the invention.
The camera integral with optical fiber of present embodiment comprises: barrel-type casing has the ejaculation window; With the integrated fiber bundle, make the inner face of fibre bundle that leaded light uses and housing integrated, the integrated fiber bundle is arranged at the inner face of housing, bonds mutually by binding agent, and is bonded on the inner face, and the end of integrated fiber bundle arrives described ejaculation window and exposes.
According to this structure, owing to be provided with the incorporate described integrated fiber bundle of the inner face that makes fibre bundle and housing, thereby the defeasible optical fiber as separate part by front end accessory harness, in addition, the assembling operation of the optical fiber during assembling can reduce.Therefore be easy to make.In addition, directly expose from housing the end of integrated fiber bundle, thereby can guarantee water proofing property and abolish the sapphire glass of prior art.Therefore, also can avoid the light quantity that causes by sapphire glass to reduce.Like this, can provide the camera integral with optical fiber of guaranteeing water proofing property, being easy to make and do not lose light quantity.
In addition, in this camera integral with optical fiber, the face that exposes that penetrates the integrated fiber bundle at window place has equal height with on every side surface of shell.
According to this structure, can easily make the structure that expose from housing the end of integrated fiber bundle.The integrated fiber bundle expose face and surface of shell on every side can have common machined surface.
Camera integral with optical fiber has said structure, the effect that thus, can obtain to guarantee water proofing property as mentioned above, be easy to make and can avoid light quantity to reduce.
In addition, another technical scheme of the present invention is the camera integral with optical fiber member manufacturing method.This method also describes with present embodiment.Can obtain to be easy to make the effect of camera integral with optical fiber parts by this method.
Below, with reference to the camera integral with optical fiber of description of drawings embodiment of the present invention.
Fig. 1 is the cutaway view of the camera integral with optical fiber of expression embodiments of the present invention.Fig. 2 is the outward appearance perspective view.As shown in Figure 2, the photographing unit with prior art is identical substantially in appearance for photographing unit 1.The camera housing that photographing unit 1 has stainless steel is a barrel-type casing 3.Accommodate imaging apparatus and the image processing circuit of CCD etc. in the housing 3.The side of the front end of housing 3 is provided with shooting window 5.Be embedded with prism in the shooting window 5.The light that is entered by shooting window 5 bends and is directed to a direction (length direction that refers to tube, down together) through prism, arrives imaging apparatus by optical system.As illuminator, be provided with ejaculation window 7 in the both sides of shooting window 5.
In the cutaway view of Fig. 1, fibre bundle is built in the housing 3.In the present embodiment, the inner face of fibre bundle and housing is integrated.This fibre bundle is called " integrated fiber bundle ".The diameter of 1 optical fiber for example is 30 microns.Therefore, integrated fiber bundle 9 is made of very many optical fiber.
Integrated fiber bundle 9 is with the membranaceous inner face 11 that is arranged at housing 3.Integrated fiber bundle 9 is made of many thin optic fibres, and optical fiber bonds mutually by binding agent, and is bonded on the inner face 11.Though not expression in Fig. 1, integrated fiber bundle 9 and two ejaculation windows 7 are divided into two and half ones accordingly.Each half one be covered with housing 3 inner face 11 roughly half.
The end 13 of integrated fiber bundle 9 arrives the ejaculation window 7 of housing 3 and exposes.End 13 is full of by multifiber.Filling adhesive between the optical fiber.Such structure can be guaranteed water proofing property.In addition, penetrating window 7, the face (end face) that exposes of the exposed division 15 of integrated fiber bundle 9 is exposed face surface of shell 17 encirclements on every side.And exposing face (end face) is common machined surfaces with on every side surface of shell 17.Thus, expose face (end face) and have identical height with on every side surface of shell 17.
Fig. 3 represents to be provided with the housing 3 as separate part under the state of integrated fiber bundle 9.From the rear of housing 3, the rear part 19 of integrated fiber bundle 9 is exposed.In the following description, so-called rear is meant the direction of leaving front end along the tube direction of housing 3.
As mentioned above, in the inside of housing 3, integrated fiber bundle 9 is divided into two and half ones, each half one be covered with housing 3 roughly half.Be provided with correspondingly with such, also can see two rear parts 19 at the rear of housing 3.And each rear part 19 also similarly is configured as membranaceous with the internal optical fiber of housing 3.
Under the completion status of photographing unit, rear part 19 is contained in the other housing at not shown rear.The housing at rear is connected with housing 3, has the external diameter greater than housing 3.And the housing at rear is built-in with substrate and light source.In addition, the image cable also extends from the housing at rear.
Part after more leaning on than the rear part 19 of integrated fiber bundle 9 is that (rear part 19 can be called mid portion to not agglutinating fibre bundle 21, and the part after more leaning on than rear part 19 can be called the rear part.Part after more leaning on than rear part 19 also can be described as portion).At this, fibre bundle 21 is by silica gel tube 23 harnesses.And at the rear side of silica gel tube 23, fibre bundle 21 inserts insertion tube 25.In insertion tube 25, fibre bundle 21 divided into two parts is integrated.
Be formed with insertion tube 25 and fibre bundle 21 common abradant surfaces in the rear end 27 of insertion tube 25.Though not shown, the light that sends by light source by other fiber guides after, continue to propagate by the rear end 27 of insertion tube 25.Then, light penetrates from penetrating window 7 by integrated fiber bundle 9 guiding photographing unit front ends.By structure divided into two parts is set in light-conducting system, be easy to when undesirable condition takes place, change parts, can improve maintainability.
The manufacture method of the camera integral with optical fiber of present embodiment below is described.As shown in Figure 4, at first, in housing 3, insert not agglutinating fibre bundle 21.The diameter of fibre bundle for example is about 30 microns.Therefore, there is very many optical fiber to insert.Fibre bundle 21 inserts from penetrating window 7, exposes from the rear opening 29 of housing 3.At this moment, in the inside of housing 3, the optical fiber of each root of fibre bundle 21 is all crooked.And as shown in the figure, fibre bundle 21 runs through housing 3, exposes from penetrating window 7 and rear opening 29.
As shown in Figure 5, to the incorporate part coating of the needs of fibre bundle 21 binding agent.Dispensing area is the zone suitable with above-mentioned integrated fiber bundle 9.The zone suitable with rear part 19 also is coated with binding agent.Binding agent for example is a thermmohardening type silicon bonding.In addition, as shown in Figure 5, internal mold 31 is installed in housing 3.Then, external mold 33 is installed around internal mold 31.
Be formed with the gap between external mold 33 and the internal mold 31.The shape in this gap is the rear part 19 corresponding shapes with integrated fiber bundle 9.In this gap, sandwich the fibre bundle 21 that rearward exposes from housing 3.But internal mold 31 and external mold 33 are close in the part of upside and downside.Do not sandwich fibre bundle 21 in these parts of being close to.This is also corresponding with the above-mentioned structure that is divided into two-part rear part 19.
With reference to Fig. 6 as can be known, under the state that internal mold 31 and external mold 33 have been installed, make the binding agent sclerosis.For example, under 80 ℃ of temperature, carry out two hours cure process.Afterwards, as shown in Figure 7, take off external mold 33 and internal mold 31 after the sclerosis.Fibre bundle 21 is bonded as membranaceous along the inner face 11 of housing 3, become and housing 3 incorporate integrated fiber bundles 9.The rear part 19 of integrated fiber bundle 9 also by be clipped in be configured as between internal mold 31 and the external mold 33 membranaceous.Rear part 19 is exposed from the rear of housing 3.The rear of part 19 is because uncoated binding agent in the wings, thereby optical fiber is free dispersive state.
Then, as shown in Figure 8, eliminate by processing from penetrating fibre bundle that window 7 exposes 21.At first, after being reserved about 2mm, the end of fibre bundle 21 cuts off.Then, eliminate the part of this 2mm by attrition process.In grinding step, fibre bundle 21 grinds with the surface of shell on every side 17 that penetrates window 7.Thus, the exposed portions serve 15 of the end 13 of integrated fiber bundle 9 forms the face that has identical height with surface of shell 17 on every side.Grind the back housing 3 is implemented blasting treatment.
As shown in Figure 9, the part after more leaning on than the rear part 19 of integrated fiber bundle 9 is residual not agglutinating fibre bundle 21.The fibre bundle 21 of this part is by silica gel tube 23 and by harness.Silica gel tube 23 is circular with fibre bundle 21 harnesses by being subjected to thermal contraction.And then as described in Figure 10, at the rear side of silica gel tube 23, fibre bundle 21 inserts insertion tube 25 and bonding.In this insertion tube 25, the fibre bundle 21 that is divided into two strands synthesizes one.Then, the rear end 27 of insertion tube 25 is ground with the fibre bundle 21 of inboard.
As mentioned above, optical fiber and housing 3 are realized integrated.In the shooting window 5 of housing 3, embed prism.In addition, on housing 3, connect the other housing (with reference to Fig. 2) in rear.And the various parts that imaging apparatus, substrate, light source and image cable etc. are installed are to finish photographing unit 1.
As above explanation is because the camera integral with optical fiber of present embodiment 1 is provided with the integrated fiber bundle of using with the incorporate leaded light of housing inner face 9, so the defeasible optical fiber as separate part by front end accessory harness.In addition, the assembling operation of the optical fiber during assembling is simplified.Therefore be easy to make.In addition, directly expose from the ejaculation window 7 of housing 3 end that makes integrated fiber bundle 9.Therefore, can guarantee water proofing property and abolish the sapphire glass of prior art.And, can avoid the light loss that causes by sapphire glass.The camera integral with optical fiber 1 of guaranteeing water proofing property, being easy to make and do not lose light quantity can be provided thus.
In addition, the camera integral with optical fiber 1 of present embodiment with fibre bundle with membranaceous setting and be bonded in the inner face of housing.Because optical fiber does not take up space, thus favourable to realizing miniaturization, and help to reduce the diameter of photographing unit.
In addition, in the camera integral with optical fiber 1 of present embodiment, has identical height because penetrate the face that exposes of the integrated fiber bundle 9 at window place with on every side surface of shell, so the structure that can easily provide the end that makes integrated fiber 9 to expose from housing.In above-mentioned example, the two sides is simultaneously processed.
In addition, camera integral with optical fiber and member manufacturing method thereof also have been described in the above-described embodiment.Another technical scheme of the present invention is this camera integral with optical fiber or its member manufacturing method.In above-mentioned example, use internal mold and form the integrated fiber bundle aptly.By defeasible the fibre bundle of said method as separate part by front end accessory harness.In addition, the assembling operation of fibre bundle is simplified during assembling.Therefore be easy to make.
The present preferred implementation of thinking of the present invention more than has been described.To present embodiment various deformation can be arranged.And all distortion in essential intension of the present invention and the scope are included in the summary of the invention.
Industrial applicibility
The present invention has the effect of guaranteeing water proofing property, being easy to make and can avoid the light quantity minimizing, can The camera that is used for dentistry etc.
Claims (2)
1. a camera integral with optical fiber is characterized in that, comprising:
Barrel-type casing has the ejaculation window; With
The integrated fiber bundle makes the inner face of fibre bundle that leaded light uses and described housing integrated,
Described integrated fiber bundle is arranged at the inner face of described housing, bonds mutually by binding agent, and is bonded on the described inner face, and the end of described integrated fiber bundle arrives described ejaculation window and exposes.
2. camera integral with optical fiber as claimed in claim 1 is characterized in that,
The face that exposes of the described integrated fiber bundle at described ejaculation window place has identical height with on every side surface of shell.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004029181A JP4423056B2 (en) | 2004-02-05 | 2004-02-05 | Optical fiber camera for dentists |
| JP029181/2004 | 2004-02-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1913823A true CN1913823A (en) | 2007-02-14 |
| CN100423681C CN100423681C (en) | 2008-10-08 |
Family
ID=34835943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800039763A Expired - Fee Related CN100423681C (en) | 2004-02-05 | 2005-01-17 | Camera integral with optical fiber |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7522796B2 (en) |
| JP (1) | JP4423056B2 (en) |
| CN (1) | CN100423681C (en) |
| WO (1) | WO2005074786A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009025659A1 (en) * | 2009-06-17 | 2010-12-23 | Karl Storz Gmbh & Co. Kg | endoscope tube |
| AT510554B1 (en) * | 2011-03-18 | 2012-05-15 | A Tron3D Gmbh | DEVICE FOR TAKING PICTURES OF THREE-DIMENSIONAL OBJECTS |
| CN102488565B (en) * | 2011-11-18 | 2013-12-25 | 南京春辉科技实业有限公司 | Rigid special-shaped micro-structural fiber rod used in dentistry |
| US10537226B2 (en) * | 2013-12-23 | 2020-01-21 | California Institute Of Technology | Rotational scanning endoscope |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3818902A (en) * | 1971-07-03 | 1974-06-25 | Olympus Optical Co | Endoscope assembly having its optical system provided with a direction shifter |
| US4669467A (en) * | 1985-03-22 | 1987-06-02 | Massachusetts Institute Of Technology | Mode mixer for a laser catheter |
| US4648892A (en) * | 1985-03-22 | 1987-03-10 | Massachusetts Institute Of Technology | Method for making optical shield for a laser catheter |
| JPH0452614A (en) * | 1990-06-20 | 1992-02-20 | Olympus Optical Co Ltd | Endoscope |
| JPH08332170A (en) * | 1995-06-08 | 1996-12-17 | Matsushita Electric Ind Co Ltd | Video-scope |
| JP4518228B2 (en) | 2000-11-02 | 2010-08-04 | 富士フイルム株式会社 | Body cavity observation apparatus and light guide mounting method thereof |
| US6692431B2 (en) * | 2001-09-07 | 2004-02-17 | Smith & Nephew, Inc. | Endoscopic system with a solid-state light source |
-
2004
- 2004-02-05 JP JP2004029181A patent/JP4423056B2/en not_active Expired - Fee Related
-
2005
- 2005-01-17 WO PCT/JP2005/000481 patent/WO2005074786A1/en active Application Filing
- 2005-01-17 US US10/597,216 patent/US7522796B2/en not_active Expired - Fee Related
- 2005-01-17 CN CNB2005800039763A patent/CN100423681C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| WO2005074786A1 (en) | 2005-08-18 |
| CN100423681C (en) | 2008-10-08 |
| JP4423056B2 (en) | 2010-03-03 |
| US20080253724A1 (en) | 2008-10-16 |
| JP2005218614A (en) | 2005-08-18 |
| US7522796B2 (en) | 2009-04-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20170117 |